CVE-2026-23408

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.9% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-04-01 08:36Z5 MO AGO

Last updated

2026-08-05 12:21Z1 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-415Double FreeVariant
• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

7bdb7ff1707671666a304b5dffa55198e210a90482d7815ea4cdbeeb11408785

• git.kernel.orghttps://git.kernel.org/stable/c/c6347a2116ecccb8fd9ee4ebc75ae41d1d7ef689
• git.kernel.orghttps://git.kernel.org/stable/c/c053ae381ce227577567d1ef10090ce7506d7a28
• git.kernel.orghttps://git.kernel.org/stable/c/35f4caec1352054b9a61cfdf2bf1898073637aa0
• git.kernel.orghttps://git.kernel.org/stable/c/55ef2af7490aaf72f8ffe11ec44c6bcb7eb2162a
• git.kernel.orghttps://git.kernel.org/stable/c/86feeccd6b93ed94bd6655f30de80f163f8d5a45
• git.kernel.orghttps://git.kernel.org/stable/c/7998ab3010d2317643f91828f1853d954ef31387
• git.kernel.orghttps://git.kernel.org/stable/c/18b5233e860c294a847ee07869d93c0b8673a54b
• git.kernel.orghttps://git.kernel.org/stable/c/5df0c44e8f5f619d3beb871207aded7c78414502